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Silver Ragwort Jacobaea maritima

Other Common Name(s):

Previously known as:

  • Senecio cineraria
Phonetic Spelling
jay-koh-BEE-uh mar-ih-TY-muh
Description

Dusty Miller is usually grown as an annual for its silvery wooly leaves to provide contrast in the garden or a container. It prefers light, well-drained soil in sun or shade and is drought tolerant. Remove the blooms to help promote foliage growth. 

A popular plant found in interiorscapes, forests or natural areas, patios, or in garden beds and borders.  Silvery wooly leaves provide excellent contrast in beds.  Start seeds indoors 10-15 weeks before the last frost date or purchase plants as starters in 6-packs.  You can take stem cuttings to overwinter but most people just replant with new plants in the spring.

Insects, Diseases, and Other Plant Problems:  No significant problems.  Susceptible to rust.

See this plant in the following landscapes:
Cottage Garden Paul J Ciener Botanical Garden Cottage Garden Backyard Planting Lake Wall Garden Flower Bonanza Garden
Cultivars / Varieties:
  • 'Silver Dust'
'Silver Dust'
Tags:
#houseplant#annual#drought tolerant#heavy shade#container plant#shade annual#interiorscape#interesting leaves#mixed borders#bedding plant#edging#borders#fantz#HS302#problem for cats#problem for dogs#problem for horses
 
Cultivars / Varieties:
  • 'Silver Dust'
'Silver Dust'
Tags:
#houseplant#annual#drought tolerant#heavy shade#container plant#shade annual#interiorscape#interesting leaves#mixed borders#bedding plant#edging#borders#fantz#HS302#problem for cats#problem for dogs#problem for horses
  • Attributes:
    Genus:
    Jacobaea
    Species:
    maritima
    Family:
    Asteraceae
    Recommended Propagation Strategy:
    Seed
    Stem Cutting
    Country Or Region Of Origin:
    Northern Africa, western Asia, Europe
    Particularly Resistant To (Insects/Diseases/Other Problems):
    This plant is seldom damaged by deer. Tolerates heavy shade but leaf color is best with some sun.
    Dimensions:
    Height: 1 ft. 6 in. - 3 ft. 0 in.
    Width: 0 ft. 8 in. - 1 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Annual
    Herbaceous Perennial
    Perennial
    Poisonous
    Habit/Form:
    Clumping
    Rounded
    Growth Rate:
    Rapid
    Maintenance:
    Low
    Texture:
    Coarse
  • Cultural Conditions:
    Light:
    Deep shade (Less than 2 hours to no direct sunlight)
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Available Space To Plant:
    Less than 12 inches
    12 inches-3 feet
    USDA Plant Hardiness Zone:
    7b, 7a, 8b, 8a, 9b, 9a, 10b, 10a
  • Flowers:
    Flower Color:
    Gold/Yellow
    Insignificant
    Flower Inflorescence:
    Cyme
    Insignificant
    Flower Bloom Time:
    Fall
    Spring
    Summer
    Flower Shape:
    Crown
    Flower Petals:
    7 - 20 petals/rays
    Flower Size:
    1-3 inches
    Flower Description:
    It occasionally flowers with yellow daisy-like blossoms in clusters, occasionally white or purple. Flowers may appear from spring to frost. Remove flowers to encourage foliage growth.
  • Leaves:
    Leaf Color:
    Gray/Silver
    White
    Leaf Feel:
    Soft
    Velvety
    Leaf Value To Gardener:
    Long-lasting
    Showy
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Leaf Shape:
    Pinnatifid
    Leaf Margin:
    Lobed
    Hairs Present:
    Yes
    Leaf Length:
    3-6 inches
    Leaf Width:
    1-3 inches
    Leaf Description:
    2-6 inches long by 1.5 to 2.5 inches wide leaves are alternate, often pinnately lobed or divided into irregular segments. The lower leaves are more deeply lobed than the upper leaves. They are densely covered in white to gray hairs.
  • Stem:
    Stem Color:
    Gray/Silver
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Container
    Houseplants
    Patio
    Pool/Hardscape
    Recreational Play Area
    Small Space
    Landscape Theme:
    Cottage Garden
    Drought Tolerant Garden
    Fairy Garden
    Rock Garden
    Design Feature:
    Border
    Mass Planting
    Resistance To Challenges:
    Deer
    Drought
    Heavy Shade
    Problems:
    Problem for Cats
    Problem for Dogs
    Problem for Horses